Remove vestigial argument

Signed-off-by: Geoffrey Biggs <gbiggs@killbots.net>

ros2launch/ros2launch/api/api.py

@@ -151,7 +151,7 @@ def launch_a_launch_file(
 ):
     """Launch a given launch file (by path) and pass it the given launch file arguments."""
     for name in sorted(option_extensions.keys()):
-        option_extensions[name].prestart(launch_service_options, args)
+        option_extensions[name].prestart(args)
     launch_service = launch.LaunchService(
         argv=launch_file_arguments,
         noninteractive=noninteractive,

ros2launch/ros2launch/option/__init__.py

@@ -43,15 +43,15 @@ def add_arguments(self, parser, cli_name, *, argv=None):
         """Add arguments to the argparse parser"""
         return
 
-    def prestart(self, options, args):
+    def prestart(self, args):
         """
         Perform actions the prior to the LaunchService being started.
 
         This method does not need to return anything.
         """
         return
 
-    def prelaunch(self, launch_description, options, args):
+    def prelaunch(self, launch_description, args):
         """
         Perform actions prior to the launch process running
 
@@ -64,7 +64,7 @@ def prelaunch(self, launch_description, options, args):
         """
         return (launch_description,)
 
-    def postlaunch(self, launch_return_code, options, args):
+    def postlaunch(self, launch_return_code, args):
         """
         Perform cleanup actions after the launch process finishes.